FcMatrixRotate(3) Rotate a matrix

SYNOPSIS


#include <fontconfig/fontconfig.h>



void FcMatrixRotate (FcMatrix *

matrix
, double
cos
, double
sin
);

DESCRIPTION

FcMatrixRotate rotates matrix by the angle who's sine is sin and cosine is cos. This is done by multiplying by the matrix:

  cos -sin
  sin  cos

VERSION

Fontconfig version 2.11.0